<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="/static/bootstrap/css/bootstrap.css">
    <link rel="stylesheet" href="/static/jquery-ui-1.12.1/external/jquery/jquery.js">
    <link rel="stylesheet" href="/static/论文_CSS/user_info.css">
    <script src="/static/bootstrap/js/bootstrap.js"></script>
</head>
<body>
    <div class="body_header">
        <span>校园二手电子产品交易网后台管理中心</span>

    </div>
    <div class="body-left">
        <form action="/user_info/" method="get">
            <div class="body-left-btn1"><button type="button" class="btn btn-info" onclick="user();" id="i1">用户管理</button></div>
            <div class="body-left-btn2"><button type="button" class="btn btn-info">商家管理</button></div>
            <div class="body-left-btn3"><button type="button" class="btn btn-info">公告管理</button></div>
            <div class="body-left-btn4"><button type="button" class="btn btn-info">商品管理</button></div>
        </form>
    </div>
    <div class="body-right"></div>
    <div class="body-down">
        <span style="text-align: center">
            <h2>谨慎操作，得不偿失.....哈哈哈哈哈</h2>
            {% if i in user_list %}
             <h3>{{ i.username }}</h3>
            {% else %}
                <h4>sssssssssss</h4>
            {% endif %}

        </span>
        <i class="fa fa-asterisk" aria-hidden="true"></i>
    </div>
    <script>
        function user() {
            document.getElementById('i1');
            window.location.href="/User_center/";
        }
    </script>
</body>
</html>